Ebstein畸形又称三尖瓣下移畸形，系指三尖瓣畸形，此病少见，发病率占先天性心脏病的1％以下，临床易误诊，我们收治1例规介绍如下。病例报告患儿男，9岁，因胸闷、心悸、气短］周来院。患儿于人院1周前无明显诱因突然感胸闷、心悸、气短，活动后加重，并伴有阵发性头痛、上腹 Ebstein deformity, also known as tricuspid regurgitation deformity, refers to the tricuspid valve deformity, the disease rare, the incidence of congenital heart disease accounted for less than 1%, clinical misdiagnosis, we admitted to a regulation introduced as follows. Case reports of children male, 9 years old, due to chest tightness, palpitations, shortness of breath] to the hospital. Children in the hospital 1 week ago, no obvious incentive to suddenly felt chest tightness, palpitations, shortness of breath, aggravating after activity, and accompanied by paroxysmal headache, upper abdomen